The Tumbler 20oz is made from durable 304 stainless steel and paired with double-wall vacuum insulation and high-quality copper lining to protect your hot or cold beverage at all costs. Coffee tumbler is designed for Travelling, Car driving, Home, Office. It not only allows you to hold it comfortably, but also allows you to have a textured and vibrant cup for a long time. The high quality double wall technology prevents heat transfer to outer wall, The tumblers can be safely placed in most car cup holders. Large cup mouth makes it easier for you to clean the tumbler. No need to spend money on disposable cups - this travel coffee mug is an investment that will last a lifetime. Quantity over 700 ship by sea.